Imperial Russian in memory of the IV Electrical Exhibition 1891 – 1892 Germany B18

reproduction of the commemorative medal issued by the Imperial Russian Technical Society to mark the 4th Electrical Exhibition (1891–1892). The event took place in St. Petersburg and was organized by the Russian Technical Society (renamed “Imperial” in 1874).

• Struck by the German firm Lauer (signature LAUER at bottom).
• The exhibition showcased electrical machines, Russian steam engines, internal combustion engines, and electrochemical innovations.
• Notably, electric welding, invented by Russian engineers, was demonstrated for the first time.
• The exhibition attracted over 50,000 visitors and was considered a major technical success.